$cell vectors
1.0
  4.3609979479673342    0.0000000000000000    0.0000000000000000
  0.0000000000000000   15.7799925748508532    0.0000000000000000
  0.0000000000000000    0.0000000000000000    9.7199954263339876
 8 2 12
Direct
  0.0000000000000000    0.0000000000000000    0.0251000000000002 # Pb1
  0.0000000000000000    0.4999999999999998    0.0000000000000000 # Pb2
  0.0000000000000000    0.2377000000000002    0.7826999999999998 # Pb3
  0.5000000000000000    0.5000000000000001    0.5251000000000001 # Pb4
  0.5000000000000000    0.0000000000000000    0.5000000000000000 # Pb5
  0.5000000000000000    0.7376999999999999    0.2826999999999997 # Pb6
  0.0000000000000000    0.7622999999999999    0.7826999999999998 # Pb7
  0.5000000000000000    0.2623000000000000    0.2826999999999997 # Pb8
  0.0000000000000000    0.0000000000000000    0.7047999999999996 # Se1
  0.5000000000000000    0.4999999999999998    0.2048000000000002 # Se2
  0.0000000000000000    0.1137999999999999    0.2981999999999997 # Br1
  0.0000000000000000    0.3662999999999998    0.4660999999999997 # Br2
  0.0000000000000000    0.3149000000000001    0.0783999999999999 # Br3
  0.5000000000000000    0.6137999999999998    0.7981999999999997 # Br4
  0.5000000000000000    0.8663000000000004    0.9660999999999998 # Br5
  0.5000000000000000    0.8148999999999998    0.5783999999999999 # Br6
  0.0000000000000000    0.8862000000000000    0.2981999999999997 # Br7
  0.0000000000000000    0.6337000000000000    0.4660999999999997 # Br8
  0.0000000000000000    0.6850999999999999    0.0783999999999999 # Br9
  0.5000000000000000    0.3861999999999999    0.7981999999999997 # Br10
  0.5000000000000000    0.1336999999999999    0.9660999999999998 # Br11
  0.5000000000000000    0.1851000000000001    0.5783999999999999 # Br12